title: Administering injections to different-aged children.
mesh_terms: D000293:Adolescent; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007267:Injections / Q000451:nursing*; D010371:Pediatric Nursing